August 2019
Beginner to intermediate
798 pages
17h 2m
English
Content preview from Mastering Go - Second Edition
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The go/scanner, go/parser, and go/token packages
This section will talk about the go/scanner, go/parser, and go/token packages, as well as the go/ast package. This is low-level information about how Go scans and parses Go code that will help you to understand how Go works. However, you might want to skip this section if low-level things frustrate you.
Parsing a language requires two phases. The first one is about breaking up the input into tokens (lexical analysis) and the second one is about feeding the parser with all these tokens in order to make sure that these tokens make sense and are in the right order (semantic analysis). Just combining English words does not always create valid sentences.
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.